/* 
 * The MIT License (MIT)
 * 
 * Copyright (c) 2017 Johan Kanflo (github.com/kanflo)
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include <usart.h>
#include "dbg_printf.h"
#include "mini-printf.h"

#ifndef CONFIG_DBG_PRINTF_BUFFER_SIZE
 #define CONFIG_DBG_PRINTF_BUFFER_SIZE (80)
#endif // CONFIG_DBG_PRINTF_BUFFER_SIZE

static char buffer[CONFIG_DBG_PRINTF_BUFFER_SIZE];

int dbg_printf(const char *fmt, ...)
{
    int size;
    va_list va;
    va_start(va, fmt);
    size = mini_vsnprintf(buffer, CONFIG_DBG_PRINTF_BUFFER_SIZE, fmt, va);
    va_end(va);
    for (int i = 0; i < size; i++) {
        usart_send_blocking(USART1, buffer[i]);
    }
    return size;
}
